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> TOOTS CBHI) OV pomResbmata dim of 00? > iat.’ bind» kogether the and the -functiong -khat operate on Ttnem/ssiet mo otner part of the ode “Con access this dave mlign except this -unction + : D/ : = e f > (VT T Class + TRB; a user defined data types, Which hey. _%t3 own data members and member Runctiona yn con be accessed and used by creating an insta of -ynet clase. Q ' Object : When aq class is defined no memory is a\(o | but When Ft 18 “nstantiated Cte, obj ect iS created) memo 1S allocated, By Encapsuletion: In ooP , Encapsulation (iS defined ag bindia together the data and the -functong : i} that mani pulareg Abstraction : Abstraction meang display ing Only essential information and Hiding -the — getanial,, Py ° Abstraction using claskeg « Absrnaction asi, Header Piiex (man nH = pow) E € a __ Polymorphism : —th Simple words as -the 7 We Can define Poly ability of a meSsage +p be display ed “ q more than sone form, + Operator overtoa ding, + Function overloading S fat sum ClO, 20 30) E ‘mt gum Cio, 20) Be me anberittance =comthe aed tba of QA -elass +o~ ee a Properties and charocterigticz from another Eee | | & ig called | fherttance.. bale eel ; « SubClass =| ; & + Superctass = ate 5 % | : Keusapiiity, : q ; Dynamic Binding | Th dynamic binding, tne code to be execureN 2n Besponse 4D LMherion! ‘cal VB ® decided ar yun time, Congtructems: A constructor i8 a member function of a_class Which “nittalizea objects ofsia?, class iq Cr+ Constuctor {B autermatically called When “the object creates . TH has *Same name as Class Stseft .GHinM 8 | Censvsuctor don't have a setum “ype: ‘A, Defa ule Const wuctor CNo pera mexer Passed) Re Parametrized Constwuctox : 3. Copy Gonsrouctoe Supthedo? losidaye7SS Alaa q IR Desteuctos tn Ctt * Derived claay destydector will pe Invoked iret , then -the base clasa deatwuietor | Wilt be Invoked, x, — Accesa Modifier: fiblic — can be accessed “byony clazs Ty Reivare i= canbe: accessed ony iby 1a 7 Fanetion 1@=a E - claay Linaccesivle ourside stheidclasay+ nuh oe -&, = foxéected = Akt if also “Ynaccegsivie outside ~n Class but —p—_,* Exceptfon Handling “ =o ae te er fur mat = = se wh 5 Sy + a Beatie to. ipvint Gris See Ree : Ee pcvr COTA eri 2 “aa i (I3a SS ee ; ; Smitar Blér Eire, pea Coleen wae Scie « Static «Members in C+* Se ea. function : When @ variable ig *Static variable in declared aS. Statice, space fer it Jers aiecated for UiPerime of the Progrom . (defaut @arialized to 0) Even € tne funcrion if calied mu \ tiple times , space for 44 3B allocated once. ae « Static Variable in @ class . a — Declared ‘inside the class bedy » xi => Also Known ag elass. member. variable . , > b> “They must be defined ovtside +ne class. > Static variable doesn’ + belong sto any object , Bur K) ane Whole class . a a Oe i Weeemere AWwill: . be only ~ Copy of Static Member varia for ~ne Whole clazz, sf Exs Class Account- i 1 petvate + os : Fax balance ; Static dre 08 y publics 3 Nold SetBalance Cent b) 4 balance =b 3 5 iy. “linttalised ovtside ass Float = Account 3% Yor Void main i Accourt ai: § ~» Bbject mean arab ee ‘be declared’ * ag. “grat Sate Accom Qi; , - eine Bd ee e Starica Function THIDITHS oD i > Class 74, Ansara HUF ena ye St "FG = 4 Static member funcriong \ >! are aNowed to acces only —ne Stone data = membere ot other state © member funcsiong , ; 8 e Constructorg ;, YT qa (a yatignra) Hunt, : a Constwctorg if an special member. ysfen Chionniof + Class. =+ (2 av tomar'ca\ly fnvokea When an by ect 1S created. ; - 0 ae >It hos no. return type is. 3 k B) 4 Censtructor has Same vame as). Class Manca of Be ace! wes do mot specify gontn CNeidCars: dompi\er generate Q default — Cormp@tructor for ug. a SOPOT le = a =S Constructor _ Pee rons 5 \ aa—4 Yas oR} +o Awe tof De favtt Parameterized Copy Clase¥ name): Stmidiags Name paramererg)> S-Giess_nat Sy laser Update ) sd t4omoupdore Ctm x, Auth) oF a on: a 4 P Sani BbGsni0 jh iudw ti| n=trO=sOHleue seeq Sly som Upaimipet2a9/T p> Ich imeny — vatQUYy enoge P Destructor > Bepentctes Ag ad A: 2 > member Pingel | | cron Which -destructs 7— deleter am object — > DesWvuctos don'+ Be | Rake any" argument andy don't F have Sn Yexuan pe, > Only one destructor \ => Desrructor eannoy he Poss ibie Srotic. yi cy i ‘ Le a 4 doean'+ destwy Ob\eck 9) Tr Bowne last Lunetion thar 5 nvoked before object destrey. So Resource 2 Actvanty destructor Destructor (% used, So hat before deletion of cb} we aan free space alloazted for +hi& resource, Ble iP ob\ es deleted then Space Allo cated for ob) Ml be Lree but Yesouvee = Coearn't . Operator Over\oading 1 C++ neve “tre abitlty to Provide special meas 45 4ne oferotor. v ; J Class Complex ) q Bue, Complex —operater + (Complex Lei) A Gmplex . vez 4 EG= eva; TBD = C2} —— mog directly . Sot As '-+' canl+ add Compex 6 Can define a fnction. “wit name Ve : — meed write operator Keyword iia o Sag Soy weR" use @ qi’ operator Bice this. > Be v Si ; et a r Friend Ci\ass A friend clagz Can omess +tne private and» pro of ome class in Which it is daclaved members friends) vt al Tere Ga be Fiend case and friend finction. ; | ER: Clase = BOK i ] ; 4 privere 5 a | : dwie widin ; 10> [ee poblic » vA 3 bs £ friend \oid Prinwidth CBox box), Noid Serwidin( dooble wa); sd 1 eye >) [po COM 55 92 Nold> Box>t 2 Setwid+h.( Box double ANI) f : € 4 WNT dth = Wid’, U > lee Nold = ; Pein Wiictty (Box box) — Covt Maing) PID S9a" Sele " 4 Bok Box 5 > wd : re ay Baxi SeoWiati( Kz ald PrintWictin box) 5s % S. j “Ss Les, = San B+? Yul AZ c). Multiple “Inlnevitance WOUAASS LAL... BI1t elogs AZ 4 4 q7 cy t ; 2a! Class Be public Al, public A2— B ord ye +14 3 § A ¥ a). Helrarchial Inheritance Sa Class Bi: Poblic A [ iz j = —-z_ $ } eyo > 7 E Clegg BZ: public A ec é + i ! 4 © S50 i espinal Sienied Be f iho : | = Ez 2 Nisibility Mode i Privare = Oacee -——_—__| i frotectect a : ubric a A- bose aloss A ae ee 2fertivedal— jsvs/phoiee AT Private A - tT 7 PretCcregel i E Weve] a id ug S220 os _—Rebtie = Crotecte = = : tug \B Sub Claag = andornisibininy Mode te port te . Class At [poi @ tsydo | Waray . a alist — oe Wy anen public member. Wilt be publics tn B,. and — MEE aorcrecac, will Protected , ; ee: ar 4 ae) visibility Mode ig Private. then both Protected j and poblicN member of A wil be Private member gs | .-- = =\6 a Relationship 12 always “Implemented aR a public An herttnce . — Constructor and Destructor %n —heritance Firat ehiia class Constructor will tun during creation of abject Of Ghild close , bot as Soon Ys ob) # Creqgrxed chi \d class Conetruc+or yun and % wit cat Omatrveros of Aa porent a8 2 and attres Ane Getutte oF parent dass consisuetos FOWL «WeQUME FH ConBT Neer ection , rer hi = potent: construcns = Call r Sy Ga min VAG) 4 Constsuctos Qkea _ white en cose A AeCLES v COs; Qnia cena fiat Chita destrvclos exec | i ce en ferent “deze, eeCuted, Ss hse ie Caer (Conky 2. 23 Ay bv ms6b complete). OF enV ak aoe ee Compl e+e iA me+nod , ae lacnievea at Gonpile Kime. | | Claas Gri — A - | rivate 4 3 | fat gearno ; ae ubl\te 4 = : : | e@hange_gear ( Int 927) 0 x T_N q _——— : | i eee) | a i S t ie 1 Clase Sporis Gere Portic Car A | Noid Change-qearC Bnt+ gear) § 4 TL Gear > 5) | . year aS y SS | ante omdin | a 2 Sports Car acy | Zc. Change -gear (A) ) | | as g | function of Sports Gr Crass Will be called. © et ioe Calling change-qearC) , fret Ft check if any fon =| With 4nis Yrome Vglet+ in w se calling C1028, oth erwit) (8 ; Ls gcezg 4D base Css. | M2 Vike. we. Neve . Change-oear for all except one ¢ ae Fave vnique ~ wewed oF qarcane 4 | a | E a Koay -BATR Sligma) 46 £°N veal Function > A Nirtwal fonction ig @ member ‘function Which is — declaved with a ‘virtual KeyWord’ ‘9 “ne base and vedec\ared Coverridden) wn a desived Class. When you refer +o ay objet of derived Clasz Usi 4 pointer to a base clases, you con call a virtual fine foe that object and execure, the derived lags’ g | Nlersion of -ne fonction. ° “They are used +o achieve Run time Poly morphism . ¢ Virtval Fonction Cannot be Statice and also cannot be function of anotner clogs. Compile-time Carty binding ) Vs Run_+ime Chate Binding) ¥ Saw @loss bage 4 Public yy Nirtual void Prins C) 4 Gourec “ Thig ie bege print” pailleD ax Sao 280. fi VilMaus scar Gey wed- a oeeena\ Fe i, Noid Show l) S20) Same or Pee TyS2x> 4} Teduh seo ae tne Sues ometunaee * oo inp ig OOS So.plaG Seq ates i at TT On + e n ze during Early eid L— ; —1— z NTABLE for ; NPTR ; ; bays} binds 1-4 sm nv \\ aa ; ez ' ee, bails ai derly Ste Slrqmno \\ Y Pure Nivtval Function cvibat 47 \ and abstact Cless : hog fribaid plod | Sometimes implementation of all funcHon cannot 5 fm +tnes base. cla 2%, Such a Grass tg. calied i — => draw * ogy 2 [Shape | S (Bet snere: ant vibra 9 ohana iat tm Plement=aten, | : f 1 5 WE J Equare | vA in baa ~- ad a | e = ; ici ad te saviierd jeter SMe Cteuyle+ca Vintoal functi _coliwinien Dowe o don’® have any “implementation, wee Qe. = W Aesrrack Clags ae Gti 2 NOES STI ERY A aitsn 7 PUTTY Fo ts = BSc 7 UAW“, 4 a | aes : : ’ 220/25 Ubiic + F(do 9m pysus : tors Nive vat A See A Petra ve ton yes ino hae “1B 5 dostracy =e eH Fay ae ie — meee (Wes: Virtual: > function, ts 3M > trues 7% hr ls bo hie Re SF OD We ¢ganuot declare | oa pobject ofa abstract Cloag. = p Ex: Tear KY 2. WIR er Showletror pnirsisd S - ai We) f nist? Saad a ‘2 can have Polnver or reterence: oh. abseme Closs, —- | 3: We “nN Access -+ne omer functions EKCe ps Vira) 4 by obyect of tS devines ciaaast | a. Ne we dont override -+ne puve Nivt+ua) Puntton 4 fn derivea cr e y | : SBR then f+ becomes -AhSract, | 5. An abstract Class can ane constructors, 4 (Read from GfG) ‘ 4 Template \n C++ 5 4 temp late {ar Cneck Cita, K by | LN 4 i ib Car b) vTeturn Qa} t : 2iae = seturn b) Ace doe \ust neiP in data type: Se Anat we can Wi +e generic function -anat can be vse for Aiftererss dota Aupe. NS a ) at Pyne mic Constructor When allocatfon of memory ts done ay namical memory Yoliocator “new! in constructor. ysiag dynamic class GKS 4 . pobiie Nola fnQ A p= new Chav C61} } nr main’) A geeks oS New QeeksO7 
